def process(self, instance, value, progress_setter=None):
field = self.field
if value in get_empty_values(field) or not self.has_processor():
if self.set_default(instance, value) and self.has_processor():
value = self.get_value(instance)
field = self._dependee
if (field is None or value not in get_empty_values(field)) and self.has_processor():
if self.async:
self._processor.progress_setter = progress_setter
progress_setter(self._processor, 0)
try:
if isinstance(self._processor, BaseProcessor):
new_value = self._processor(
value, instance=instance, field=self.field, dependee=self._dependee,
stashed_value=self.get_stashed_value(instance, value),
**self._processor_params
)
else:
new_value = self._processor(value)
finally:
if self.async:
delattr(self._processor, 'progress_setter')
if self.async:
progress_setter(self._processor, 1)
if new_value is not VALUE_NOT_SET:
self.set_value(instance, new_value)
def process(self, instance, value, progress_setter=None):
field = self.field
if value in get_empty_values(field) or not self.has_processor():
if self.set_default(instance, value) and self.has_processor():
value = self.get_value(instance)
field = self._dependee
if self.has_processor():
if self.async_:
self._processor.progress_setter = progress_setter
progress_setter(self._processor, 0)
try:
if isinstance(self._processor, BaseProcessor):
new_value = self._processor(
value,
instance=instance,
field=self.field,
dependee=self._dependee,
stashed_value=self.get_stashed_value(instance, value),
**self._processor_params)
else:
new_value = self._processor(value)
finally:
if self.async_:
delattr(self._processor, 'progress_setter')
if self.async_:
progress_setter(self._processor, 1)
if new_value is not VALUE_NOT_SET:
self.set_value(instance, new_value)
def set_default(self, instance, value):
dependee = self._dependee
if dependee is None or \
dependee.value_from_object(instance) in get_empty_values(dependee):
default_value = self.get_default(instance, value)
if default_value is not VALUE_NOT_SET:
self.set_value(instance, default_value, is_default=True)
return True
return False
def post_init(self, instance, value, *args, **kwargs):
if self._dependee is None and self._processor and \
value not in get_empty_values(self.field) and isinstance(value, files.FieldFile):
# regenerate the dependent filename and reattach it.
self.set_value(instance, self.generate_filename(instance, value.name))
else:
if self._dependee is None:
self.set_value(instance, None)
super(FileDependency, self).post_init(instance, value, *args, **kwargs)
def set_default(self, instance, value):
dependee = self._dependee
if dependee is None or \
dependee.value_from_object(instance) in get_empty_values(dependee):
default_value = self.get_default(instance, value)
if default_value is not VALUE_NOT_SET:
self.set_value(instance, default_value, is_default=True)
return True
return False
def post_init(self, instance, value, *args, **kwargs):
if self._dependee is None and self._processor and \
value not in get_empty_values(self.field) and isinstance(value, files.FieldFile):
# regenerate the dependent filename and reattach it.
self.set_value(instance, self.generate_filename(instance, value.name))
else:
if self._dependee is None:
self.set_value(instance, None)
super(FileDependency, self).post_init(instance, value, *args, **kwargs)
